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Maintenance

4) NOX Sensor; part #: EMS-5065; 6 month min. re-calibration for accuracy and 2-3 Year

Interval change out, or ERROR code NOX Z WARN 5002 model.

· NOX Sensors should re-calibrated a min of 6 month intervals. New NOX sen-

sors require re-calibration as well as NOX accuracy checks.

· NOX Sensor NOX C WARN model 5002 will appear if the sensor is bad.

· TOOLS: 2 mm key style allen wrench

· Remove the 12 #6 button head screws with 2mm allen. Be careful not to strip

allen head when loosening & ONLY FINGER tight when tightening.

· Remove the cover, NOX located in the back left. Unplug the four pin connector

on the top of the sensor, loosen turning counter clockwise and remove. Install

new sensor, marking install date, turning clockwise into the sensor block. Re-

attach the four pin connector to the sensor. Attach cover back on the main

housing.

5) 5) Water Trap Assembly Filter; part #: EMS-5371; 3-6 month min. Interval

· Water Trap Assembly filter is a disposable filter, with the sample flow from inside/

out so you will not see contamination. Carbon build up could cause a LOW Flow

error. Unscrew the filter bowl turning clockwise to loosen. Unscrew the filter retainer

turning clockwise, remove the coalescing filter. Install new filter, tighten filter re-

tainer counterclockwise, Screw on the filter bowl turning counter clockwise to

tighten. NOTE: The air flow through this filter is from the inside/out, so to inspect

the filter contamination, the coalescing filter must be removed to inspect.

6) General Every Day Operation Tips for Instrument Life.

· Turn the 4 or 5 gas on in the morning in display mode and allow the instrument

to warm up and go into auto shut down mode. This will keep the bench ready

for use when needed, with out having to wait for the instrument to warm up.

This will not damage the unit and help save time when your ready to use the

analyzer.

EMS 5002 User Manual

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